2000Award for Public Understanding of Science and Technology, American Association for the Advancement of Science. Citation: For global impact as a science communicator and the ability to maintain an active science career while writing several books about physics for the general public.

2001 Julius Edgar Lilienfeld Prize, American Physical Society. Citation: For outstanding contributions to the understanding of the early universe, and extraordinary achievement in communicating the essence of physical science to the general public.

2001 Andrew R. Gemant Award, American Institute of Physics. Citation: To Professor Lawrence Krauss for excellence in the interpretation of physics to the public through numerous newspaper and magazine articles, books, lectures, and television productions. Krauss is especially commended for his communication of sound scientific literacy through timely opinion pieces and books, and for his efforts to address incorrect popular interpretations of science disseminated in the mass media.

2002 American Institute of Physics Science Writing Award for Atom, An Odyssey from the Big Bang to Life on Earth and Beyond

2003 Humanism Award, Free Inquirers of Northeast Ohio

2004 Oersted Medal, American Association of Physics Teachers.

2004 Northern Ohio Live Award of Achievement: Science and Technology

2005 Joseph A. Burton Forum Award, American Physical Society, Citation: For major contributions in defending science in the schools through his efforts in combating the opponents of teaching evolution, and for continuing to enhance the public understanding of contemporary physics

2009 Center for Inquiry World Congress Award for Scholarship in the Public Interest.

2009 Friend of Darwin Award, National Center for Science Education

2009 Helen Sawyer Hogg Prize of the Royal Astronomical Society of Canada and the Astronomical Society of Canada